27
9.2 Outdoor
Unit
9.2.1
CU-VU9SKQ CU-VU12SKQ
Sensor (Thermistor)
Characteristics
70
60
50
40
30
20
10
0
-10
0
10
Temperature (
o
C)
Resistance (kΩ)
20
30
40
50
1
2
1
2
Outdoor Air Sensor
Outdoor Heat Exchanger
Sensor
Compressor Temp. Sensor
(Thermistor) Characteristics
70
60
50
40
30
20
10
0
20
40
60
Temperature (
o
C)
Resistance (kΩ)
80
100
120
140
TERMINAL
BOARD
TO INDOOR UNIT
COMPRESSOR
FAN MOTOR
AC-WHT
(WHT)
FG1
(GRN)
FG2
(GRN)
GRN
BLK
BLK
WHT
WHT
GRN
AC-BLK
(BLK)
DATA
(RED)
RED
GRY
RAT2
(GRY)
GRY
RAT1
(GRY)
REACTOR
RED
BLU
YLW
U (RED)
FUSE103
T3.15A L250V
FUSE104
(15A 250V)
V (BLU)
W (YLW)
U
V
W
MS
3 ~
P
N
SWITCHING POWER
SUPPLY CIRCUIT
FUSE102
T3.15A L250V
BLU
RED
YLW
FM1 (BLU)
FM2 (RED)
FM3 (YLW)
M
1~
FAN MOTOR
CIRCUIT
FUSE101
(20A 250V)
3
(RED)
2
(WHITE)
1
(BLACK)
N
L
PFC
CIRCUIT
ELECTRONIC CONTROLLER
YLW/GRN
GROUNDING
TERMINAL
SINGLE PHASE
POWER SUPPLY
NOISE FILTER
CIRCUIT
COMMUNICATION
CIRCUIT
RECTIFICATION
CIRCUIT
RECTIFICATION
CIRCUIT
TANK TEMP.
SENSOR (50kΩ 3950)
1
3
CN-TANK
WHITE
5V
G8
R1
4.99k
C3
1μ
10V
G8
CN-TH
WHITE
OUTDOOR TEMP.
SENSOR (15kΩ 3950)
PIPE TEMP.
SENSOR1 (4.96kΩ 3800)
5V
1
2
3
4
G8
R12
15.0k
1%
R11
15.8k
1%
C7
1μ
10V
G8
C6
1μ
10V
G8
R23
1k
1/8W
C30
0.1μ
25V
C31
0.1μ
25V
C129
0.1μ
25V
R24
1k
1/8W
C34
0.1μ
25V
G5
R27
1k
1/8W
